:root{
      color-scheme:light;
      --bg:#f5f7fb;--panel:#fff;--panel-2:#f8fafc;--text:#111827;--muted:#667085;--line:#e4e7ec;
      --primary:#111827;--primary-2:#344054;--accent:#2563eb;--success:#067647;--success-bg:#ecfdf3;
      --warn:#b54708;--warn-bg:#fffaeb;--danger:#b42318;--danger-bg:#fef3f2;--shadow:0 12px 34px rgba(16,24,40,.07);
      --radius:18px;--radius-sm:12px;--mono:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,"Liberation Mono",monospace;
    }
    *{box-sizing:border-box} html{scroll-behavior:auto} body{margin:0;background:var(--bg);color:var(--text);font:14px/1.6 -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif}
    button,input,select,textarea{font:inherit} button{cursor:pointer} a{color:inherit}
    .app{min-height:100vh}.topbar{position:sticky;top:0;z-index:30;background:rgba(245,247,251,.88);backdrop-filter:blur(16px);border-bottom:1px solid rgba(228,231,236,.9)}
    .topbar-inner{max-width:1220px;margin:auto;padding:14px 24px;display:flex;align-items:center;justify-content:space-between;gap:16px}
    .brand{display:flex;align-items:center;gap:12px;min-width:0}.logo{width:38px;height:38px;border-radius:12px;background:#111827;color:#fff;display:grid;place-items:center;font-weight:800;letter-spacing:-.5px}.brand strong{font-size:16px}.brand small{display:block;color:var(--muted);font-size:12px;margin-top:-2px}
    .top-actions{display:flex;align-items:center;gap:8px}.version{color:var(--muted);font-size:12px}.btn{border:1px solid var(--line);background:#fff;color:var(--text);padding:9px 12px;border-radius:10px;font-weight:600;display:inline-flex;align-items:center;justify-content:center;gap:7px;transition:.15s}.btn:hover{border-color:#cfd4dc;transform:translateY(-1px)}.btn.primary{background:var(--primary);color:#fff;border-color:var(--primary)}.btn.danger{color:var(--danger);background:var(--danger-bg);border-color:#fecdca}.btn.small{padding:7px 10px;font-size:12px}.btn:disabled{opacity:.5;cursor:not-allowed;transform:none}
    .layout{max-width:1220px;margin:auto;padding:28px 24px 56px;display:grid;grid-template-columns:220px minmax(0,1fr);gap:24px}.sidebar{position:sticky;top:82px;height:max-content}.nav{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:8px;box-shadow:var(--shadow)}.nav a{display:block;text-decoration:none;color:var(--muted);padding:10px 11px;border-radius:10px;font-weight:600}.nav a:hover,.nav a.active{background:#f2f4f7;color:var(--text)}
    main{min-width:0}.hero{background:var(--panel);border:1px solid var(--line);border-radius:24px;padding:30px;box-shadow:var(--shadow);overflow:hidden;position:relative}.hero:after{content:"302";position:absolute;right:-12px;top:-58px;font-size:180px;font-weight:900;letter-spacing:-12px;color:#f2f4f7;pointer-events:none}.eyebrow{position:relative;z-index:1;display:inline-flex;align-items:center;gap:7px;background:#f2f4f7;border:1px solid #eaecf0;padding:5px 9px;border-radius:999px;font-size:12px;font-weight:700;color:#344054}.hero h1{position:relative;z-index:1;font-size:34px;line-height:1.15;letter-spacing:-1.2px;margin:16px 0 10px;max-width:720px}.hero p{position:relative;z-index:1;color:var(--muted);font-size:16px;max-width:760px;margin:0}.hero-actions{position:relative;z-index:1;display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
    .section{margin-top:24px;scroll-margin-top:90px}.section-head{display:flex;justify-content:space-between;align-items:flex-end;gap:16px;margin-bottom:12px}.section h2{margin:0;font-size:20px;letter-spacing:-.3px}.section-head p{margin:2px 0 0;color:var(--muted)}
    .grid{display:grid;grid-template-columns:repeat(12,1fr);gap:14px}.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:18px;box-shadow:0 5px 16px rgba(16,24,40,.035)}.span-12{grid-column:span 12}.span-8{grid-column:span 8}.span-7{grid-column:span 7}.span-6{grid-column:span 6}.span-5{grid-column:span 5}.span-4{grid-column:span 4}
    .stat{display:flex;align-items:flex-start;gap:12px}.icon{width:36px;height:36px;border-radius:11px;background:#f2f4f7;display:grid;place-items:center;flex:none;font-weight:800}.stat strong{display:block;font-size:15px}.stat span{color:var(--muted);font-size:13px}
    .callout{border-radius:14px;padding:12px 14px;border:1px solid}.callout.warn{background:var(--warn-bg);border-color:#fedf89;color:#7a2e0e}.callout.success{background:var(--success-bg);border-color:#abefc6;color:#05603a}.callout.danger{background:var(--danger-bg);border-color:#fecdca;color:#912018}.callout + .callout{margin-top:10px}
    .form-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}.field{display:flex;flex-direction:column;gap:6px}.field label{font-size:12px;font-weight:700;color:#475467}.input-wrap{position:relative}.field input,.field select,.field textarea{width:100%;border:1px solid #d0d5dd;border-radius:11px;background:#fff;color:var(--text);padding:10px 11px;outline:none;transition:.15s}.field textarea{min-height:110px;resize:vertical}.field input:focus,.field select:focus,.field textarea:focus{border-color:#98a2b3;box-shadow:0 0 0 3px rgba(152,162,179,.15)}.input-wrap input{padding-right:72px}.input-action{position:absolute;right:6px;top:50%;transform:translateY(-50%);border:0;background:#f2f4f7;padding:5px 8px;border-radius:7px;font-size:11px;font-weight:700;color:#475467}
    .toolbar{display:flex;flex-wrap:wrap;gap:8px;align-items:center}.status{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:700;color:var(--muted)}.dot{width:8px;height:8px;border-radius:50%;background:#98a2b3}.status.ok{color:var(--success)}.status.ok .dot{background:#17b26a}.status.err{color:var(--danger)}.status.err .dot{background:#f04438}.status.busy .dot{background:#f79009;animation:pulse 1s infinite}@keyframes pulse{50%{opacity:.35}}
    .console{background:#0c111d;color:#e6e9ee;border-radius:14px;padding:14px;min-height:180px;max-height:440px;overflow:auto;font:12px/1.65 var(--mono);white-space:pre-wrap;word-break:break-word}.console.empty{color:#8a94a6}.console .meta{color:#98a2b3}.console .good{color:#75e0a7}.console .bad{color:#fda29b}
    .response-card{display:flex;flex-direction:column;min-height:620px}.viewer-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:12px}.viewer-title{display:flex;align-items:center;gap:10px;min-width:0}.viewer-tabs{display:inline-flex;gap:3px;padding:3px;background:#f2f4f7;border:1px solid #eaecf0;border-radius:10px}.viewer-tab{border:0;background:transparent;color:var(--muted);font-weight:700;font-size:12px;padding:6px 9px;border-radius:7px;white-space:nowrap}.viewer-tab.active{background:#fff;color:var(--text);box-shadow:0 1px 3px rgba(16,24,40,.08)}.viewer-pane{display:none;min-height:0}.viewer-pane.active{display:block}.chat-window{height:510px;overflow:auto;border:1px solid var(--line);background:#f8fafc;border-radius:14px;padding:18px;display:flex;flex-direction:column;gap:16px}.chat-empty{margin:auto;max-width:360px;text-align:center;color:var(--muted)}.chat-empty strong{display:block;color:var(--text);font-size:15px;margin-bottom:5px}.chat-message{display:flex;gap:10px;align-items:flex-start}.chat-message.user{justify-content:flex-end}.chat-avatar{width:30px;height:30px;border-radius:9px;background:#111827;color:#fff;display:grid;place-items:center;font-size:11px;font-weight:800;flex:none}.chat-message.user .chat-avatar{order:2;background:#e4e7ec;color:#344054}.chat-body{max-width:82%;min-width:0}.chat-message.user .chat-body{order:1}.chat-label{font-size:11px;color:var(--muted);margin:0 0 4px 2px}.chat-message.user .chat-label{text-align:right;margin-right:2px}.chat-bubble{background:#fff;border:1px solid var(--line);border-radius:4px 14px 14px 14px;padding:10px 12px;white-space:pre-wrap;word-break:break-word;box-shadow:0 2px 5px rgba(16,24,40,.025)}.chat-message.user .chat-bubble{background:#111827;border-color:#111827;color:#fff;border-radius:14px 4px 14px 14px}.chat-message.error .chat-bubble{background:var(--danger-bg);border-color:#fecdca;color:#912018}.chat-meta{font-size:11px;color:var(--muted);margin-top:5px}.chat-message.user .chat-meta{text-align:right}.chat-note{font-size:11px;color:var(--muted);text-align:center;padding:2px 0 6px}.raw-toolbar,.model-toolbar{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:10px}.raw-console{height:510px;max-height:none;min-height:510px}.model-search{flex:1;min-width:0;border:1px solid #d0d5dd;border-radius:10px;background:#fff;padding:9px 10px;outline:none}.model-search:focus{border-color:#98a2b3;box-shadow:0 0 0 3px rgba(152,162,179,.15)}.model-list{height:463px;overflow:auto;border:1px solid var(--line);border-radius:14px;background:#fff}.model-empty{height:100%;display:grid;place-items:center;padding:28px;text-align:center;color:var(--muted)}.model-row{width:100%;border:0;border-bottom:1px solid #f0f2f5;background:#fff;padding:10px 12px;display:flex;align-items:center;justify-content:space-between;gap:12px;text-align:left;color:var(--text)}.model-row:last-child{border-bottom:0}.model-row:hover{background:#f8fafc}.model-row.selected{background:#f2f4f7}.model-id{font:12px/1.45 var(--mono);word-break:break-all}.model-action{font-size:11px;font-weight:700;color:var(--muted);white-space:nowrap}.model-row.selected .model-action{color:var(--success)}
    .tabs{display:flex;gap:6px;overflow:auto;border-bottom:1px solid var(--line);margin:-4px -2px 14px;padding:0 2px}.tab{border:0;background:transparent;color:var(--muted);font-weight:700;padding:9px 10px;border-bottom:2px solid transparent;white-space:nowrap}.tab.active{color:var(--text);border-color:var(--text)}
    pre.code{margin:0;background:#0c111d;color:#e6e9ee;border-radius:14px;padding:16px;overflow:auto;font:12px/1.65 var(--mono);white-space:pre;tab-size:2}.code-toolbar{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:10px}.code-toolbar strong{font-size:13px}.muted{color:var(--muted)}
    .spec{background:#fbfcfd;border:1px solid var(--line);border-radius:14px;padding:16px}.spec h3{font-size:15px;margin:0 0 8px}.spec ol,.spec ul{margin:8px 0 0;padding-left:22px}.spec code{font-family:var(--mono);font-size:12px;background:#eef2f6;padding:2px 5px;border-radius:5px}.spec + .spec{margin-top:12px}
    .table-wrap{overflow:auto;border:1px solid var(--line);border-radius:14px}table{width:100%;border-collapse:collapse;min-width:680px}th,td{text-align:left;padding:11px 12px;border-bottom:1px solid var(--line);vertical-align:top}th{background:#f8fafc;font-size:12px;color:#475467}tr:last-child td{border-bottom:0}td code{font-family:var(--mono);font-size:12px}
    .pill{display:inline-flex;align-items:center;border:1px solid var(--line);background:#fff;border-radius:999px;padding:3px 8px;font-size:11px;font-weight:700;color:#475467}.pill.green{background:var(--success-bg);border-color:#abefc6;color:#05603a}.pill.orange{background:var(--warn-bg);border-color:#fedf89;color:#93370d}
    .toast{position:fixed;left:50%;top:18px;transform:translate(-50%,-16px);background:#101828;color:#fff;padding:10px 14px;border-radius:11px;box-shadow:0 12px 30px rgba(16,24,40,.22);opacity:0;pointer-events:none;transition:.2s;z-index:60;font-weight:700}.toast.show{opacity:1;transform:translate(-50%,0)}
    .mobile-nav{display:none}.kbd{font-family:var(--mono);font-size:11px;border:1px solid #d0d5dd;border-bottom-width:2px;border-radius:6px;padding:1px 5px;background:#fff;color:#475467}
    @media(max-width:900px){.layout{grid-template-columns:1fr;padding:18px 14px 40px}.sidebar{display:none}.mobile-nav{display:flex;gap:7px;overflow:auto;margin-bottom:14px;padding-bottom:2px}.mobile-nav a{text-decoration:none;white-space:nowrap;background:#fff;border:1px solid var(--line);padding:8px 10px;border-radius:999px;color:var(--muted);font-weight:700}.hero{padding:24px}.hero h1{font-size:29px}.hero:after{font-size:140px}.span-8,.span-7,.span-6,.span-5,.span-4{grid-column:span 12}.form-row{grid-template-columns:1fr}.response-card{min-height:560px}.chat-window,.raw-console{height:460px;min-height:460px}.model-list{height:413px}.topbar-inner{padding:12px 14px}.version{display:none}}
    @media(max-width:520px){.brand small{display:none}.top-actions .btn:not(.primary){display:none}.hero h1{font-size:25px}.hero p{font-size:14px}.hero-actions .btn{width:100%}.card{padding:15px}.viewer-head{align-items:flex-start;flex-direction:column}.viewer-tabs{width:100%}.viewer-tab{flex:1}.chat-body{max-width:90%}.card{padding:15px}.section-head{align-items:flex-start;flex-direction:column}.toolbar .btn{flex:1}.hero:after{display:none}}
  
    /* v1.3.1 multimodal playground */
    .tester-grid{display:grid;grid-template-columns:minmax(300px,390px) minmax(0,1fr);gap:14px}
    .settings-card{align-self:start}.settings-card details{border-top:1px solid var(--line);margin-top:14px;padding-top:12px}.settings-card summary{cursor:pointer;font-weight:700;color:#344054;user-select:none}.settings-card details[open] summary{margin-bottom:12px}
    .quick-models{display:flex;flex-wrap:wrap;gap:6px;margin-top:8px}.chip{border:1px solid var(--line);background:#fff;border-radius:999px;padding:5px 8px;font-size:11px;color:#475467;cursor:pointer}.chip:hover{background:#f8fafc;border-color:#cfd4dc}.chip.image{background:#f5f3ff;border-color:#ddd6fe;color:#6941c6}
    .context-summary{display:flex;align-items:center;gap:7px;flex-wrap:wrap;font-size:11px;color:var(--muted)}.context-pill{display:inline-flex;align-items:center;gap:5px;border:1px solid var(--line);background:#fff;border-radius:999px;padding:4px 8px}
    .playground-card{display:flex;flex-direction:column;min-height:720px;padding:0;overflow:hidden}.playground-top{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 16px;border-bottom:1px solid var(--line);background:#fff}.playground-model{min-width:0}.playground-model strong{display:block;font-size:14px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.playground-model span{font-size:11px;color:var(--muted)}
    .playground-tabs{display:flex;gap:3px;padding:3px;background:#f2f4f7;border:1px solid #eaecf0;border-radius:10px}.playground-tab{border:0;background:transparent;color:var(--muted);font-weight:700;font-size:12px;padding:6px 9px;border-radius:7px}.playground-tab.active{background:#fff;color:var(--text);box-shadow:0 1px 3px rgba(16,24,40,.08)}
    .playground-pane{display:none;min-height:0;flex:1}.playground-pane.active{display:flex;flex-direction:column}
    .gpt-chat{height:545px;overflow:auto;background:#fff;padding:22px 22px 12px;scroll-behavior:smooth}.gpt-empty{height:100%;display:grid;place-items:center;text-align:center;color:var(--muted);padding:28px}.gpt-empty strong{display:block;color:var(--text);font-size:18px;margin-bottom:6px}.gpt-empty .empty-icon{width:44px;height:44px;border-radius:14px;background:#111827;color:#fff;display:grid;place-items:center;margin:0 auto 12px;font-weight:800}
    .msg{display:grid;grid-template-columns:30px minmax(0,1fr);gap:11px;max-width:760px;margin:0 auto 22px}.msg.user{grid-template-columns:minmax(0,1fr);justify-items:end}.msg .avatar{width:30px;height:30px;border-radius:9px;background:#111827;color:#fff;display:grid;place-items:center;font-size:11px;font-weight:800}.msg.user .avatar{display:none}.msg-body{min-width:0;width:100%}.msg.user .msg-body{width:auto;max-width:82%}.msg-head{font-size:11px;color:var(--muted);margin-bottom:5px}.msg.user .msg-head{text-align:right}.msg-content{white-space:pre-wrap;word-break:break-word;color:#1d2939}.msg.user .msg-content{background:#f2f4f7;border-radius:18px 18px 4px 18px;padding:10px 13px}.msg.error .msg-content{color:#912018;background:#fef3f2;border:1px solid #fecdca;border-radius:12px;padding:10px 12px}.msg-meta{font-size:11px;color:var(--muted);margin-top:7px}.msg.user .msg-meta{text-align:right}
    .msg-media{display:flex;flex-wrap:wrap;gap:8px;margin-top:9px}.media-card{position:relative;border:1px solid var(--line);border-radius:12px;background:#f8fafc;overflow:hidden;max-width:260px}.media-card img{display:block;width:100%;max-height:220px;object-fit:cover}.media-card video{display:block;width:250px;max-height:220px;background:#000}.media-card audio{display:block;width:250px}.media-file{padding:9px 10px;display:flex;gap:8px;align-items:center}.media-file .file-icon{width:30px;height:30px;border-radius:8px;background:#e4e7ec;display:grid;place-items:center;font-weight:800;font-size:11px}.media-file small{display:block;color:var(--muted);max-width:190px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.generated-image{max-width:min(100%,560px);border-radius:14px;border:1px solid var(--line);display:block}.image-actions{display:flex;gap:7px;margin-top:8px;flex-wrap:wrap}
    .composer-wrap{border-top:1px solid var(--line);background:#fff;padding:12px 16px 14px}.attachment-tray{display:flex;gap:8px;overflow:auto;padding:0 0 8px}.attachment-tray:empty{display:none}.attach-preview{position:relative;flex:none;width:92px;border:1px solid var(--line);border-radius:11px;background:#f8fafc;overflow:hidden}.attach-preview img,.attach-preview video{display:block;width:92px;height:68px;object-fit:cover;background:#111}.attach-preview .attach-generic{height:68px;display:grid;place-items:center;font-weight:800;color:#667085}.attach-preview .attach-name{padding:5px 6px;font-size:10px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.attach-remove{position:absolute;right:4px;top:4px;width:21px;height:21px;border:0;border-radius:50%;background:rgba(17,24,39,.78);color:#fff;display:grid;place-items:center;font-size:13px;line-height:1}.composer{border:1px solid #d0d5dd;border-radius:18px;background:#fff;padding:9px 10px;box-shadow:0 2px 8px rgba(16,24,40,.04)}.composer textarea{width:100%;border:0;outline:0;resize:none;min-height:54px;max-height:160px;padding:4px 3px;background:transparent;color:var(--text)}.composer-actions{display:flex;align-items:center;justify-content:space-between;gap:10px}.composer-left,.composer-right{display:flex;align-items:center;gap:7px;flex-wrap:wrap}.icon-btn{border:1px solid var(--line);background:#fff;border-radius:10px;padding:7px 9px;font-weight:700;color:#475467}.icon-btn:hover{background:#f8fafc}.send-btn{width:34px;height:34px;border-radius:10px;border:0;background:#111827;color:#fff;font-weight:800}.send-btn:disabled{opacity:.45;cursor:not-allowed}.composer-hint{font-size:10px;color:var(--muted)}
    .debug-pane{padding:14px 16px;background:#fff}.debug-toolbar{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-bottom:9px}.debug-actions{display:flex;gap:6px;flex-wrap:wrap}.debug-console{height:570px;max-height:none;min-height:570px}.models-pane{padding:14px 16px;background:#fff}.models-pane .model-list{height:525px}.capability-note{margin-top:9px;padding:9px 10px;border:1px solid #d6e4ff;background:#f5f8ff;border-radius:10px;color:#344054;font-size:11px}.capability-note strong{color:#1d4ed8}.image-options{display:grid;grid-template-columns:1fr 1fr;gap:9px}.mini-help{font-size:11px;color:var(--muted);margin-top:4px}.hidden{display:none!important}
    @media(max-width:1000px){.tester-grid{grid-template-columns:1fr}.playground-card{min-height:680px}.gpt-chat{height:500px}}
    @media(max-width:700px){.playground-top{align-items:flex-start;flex-direction:column}.playground-tabs{width:100%;overflow:auto}.gpt-chat{padding:16px 12px;height:470px}.msg.user .msg-body{max-width:92%}.composer-wrap{padding:10px}.image-options{grid-template-columns:1fr}.tester-grid{gap:12px}}

    /* v1.3.1 public BYOK experience */
    :root{--soft:#eef2f6;--focus:rgba(37,99,235,.16)}
    body{background:radial-gradient(circle at 50% -20%,rgba(37,99,235,.055),transparent 34%),var(--bg)}
    .topbar-inner{max-width:1380px}.layout{max-width:1380px;grid-template-columns:235px minmax(0,1fr)}
    .top-actions .donate{background:#fff7ed;border-color:#fed7aa;color:#9a3412}.lang-switch{min-width:58px}
    .hero{background:rgba(255,255,255,.94)}.hero:before{content:"";position:absolute;inset:0;border-radius:24px;pointer-events:none;box-shadow:inset 0 1px 0 rgba(255,255,255,.9)}
    .public-badge{display:inline-flex;align-items:center;gap:7px;color:#067647;background:#ecfdf3;border:1px solid #abefc6;border-radius:999px;padding:5px 9px;font-size:12px;font-weight:800;margin-left:7px}
    .history-block{margin-top:14px;border-top:1px solid var(--line);padding-top:13px}.history-head{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-bottom:8px}.history-head strong{font-size:12px}.history-actions{display:flex;gap:5px}.history-list{display:flex;flex-direction:column;gap:5px;max-height:190px;overflow:auto}.history-empty{font-size:12px;color:var(--muted);padding:10px;border:1px dashed var(--line);border-radius:10px;text-align:center}.history-item{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:6px;align-items:center;border:1px solid transparent;border-radius:10px;padding:8px 9px;background:#f8fafc}.history-item:hover{border-color:#d0d5dd;background:#fff}.history-open{border:0;background:transparent;text-align:left;min-width:0;padding:0;color:var(--text)}.history-title{font-size:12px;font-weight:700;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.history-time{display:block;font-size:10px;color:var(--muted);margin-top:2px}.history-delete{border:0;background:transparent;color:#98a2b3;width:26px;height:26px;border-radius:8px}.history-delete:hover{background:#fef3f2;color:var(--danger)}
    .account-grid{display:grid;grid-template-columns:280px minmax(0,1fr);gap:14px}.balance-card{display:flex;flex-direction:column;gap:14px}.balance-value{font-size:36px;font-weight:800;letter-spacing:-1.5px;line-height:1}.balance-caption{font-size:12px;color:var(--muted)}.usage-controls{display:flex;gap:8px;align-items:center;flex-wrap:wrap}.usage-controls select{border:1px solid #d0d5dd;background:#fff;border-radius:10px;padding:8px 10px}.usage-list{display:flex;flex-direction:column;gap:7px;margin-top:12px}.usage-item{border:1px solid var(--line);border-radius:12px;padding:10px 12px;background:#fff;display:grid;grid-template-columns:minmax(0,1.5fr) minmax(100px,.7fr) minmax(85px,.5fr) auto;gap:12px;align-items:center}.usage-main{min-width:0}.usage-model{font:12px/1.4 var(--mono);font-weight:700;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.usage-sub{font-size:10px;color:var(--muted);margin-top:2px}.usage-num{font-size:12px}.usage-cost{font-weight:800;font-size:12px;text-align:right}.usage-json{grid-column:1/-1;margin-top:4px;display:none}.usage-item.open .usage-json{display:block}.usage-json pre{margin:0;max-height:220px}.usage-pager{display:flex;justify-content:space-between;align-items:center;margin-top:10px}.usage-summary{font-size:11px;color:var(--muted)}
    .privacy-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.privacy-item{border:1px solid var(--line);border-radius:14px;padding:14px;background:#fff}.privacy-item strong{display:block;margin-bottom:4px}.privacy-item span{color:var(--muted);font-size:12px}.data-toolbar{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px}
    .modal-backdrop{position:fixed;inset:0;z-index:100;background:rgba(16,24,40,.42);backdrop-filter:blur(10px);display:none;align-items:center;justify-content:center;padding:18px}.modal-backdrop.show{display:flex;animation:fadeIn .2s ease}.modal{width:min(560px,100%);background:#fff;border:1px solid rgba(255,255,255,.7);border-radius:24px;box-shadow:0 30px 80px rgba(16,24,40,.25);overflow:hidden;animation:modalIn .24s cubic-bezier(.2,.8,.2,1)}.modal-head{padding:24px 24px 8px}.modal-logo{width:46px;height:46px;border-radius:14px;background:#111827;color:#fff;display:grid;place-items:center;font-weight:900;margin-bottom:16px}.modal h2{margin:0;font-size:24px;letter-spacing:-.6px}.modal p{color:var(--muted);margin:7px 0 0}.modal-body{padding:16px 24px 24px}.modal-actions{display:flex;gap:8px;justify-content:flex-end;margin-top:16px}.privacy-mini{font-size:11px;color:var(--muted);border:1px solid var(--line);background:#f8fafc;border-radius:12px;padding:10px 11px;margin-top:12px}.welcome-link{color:#2563eb;text-decoration:none;font-weight:700}
    
    .appear{animation:rise .28s ease both}@keyframes fadeIn{from{opacity:0}to{opacity:1}}@keyframes modalIn{from{opacity:0;transform:translateY(10px) scale(.985)}to{opacity:1;transform:none}}@keyframes rise{from{opacity:0;transform:translateY(5px)}to{opacity:1;transform:none}}
    @media(max-width:1050px){.account-grid{grid-template-columns:1fr}.privacy-grid{grid-template-columns:1fr}}
    @media(max-width:700px){.top-actions{gap:5px}.top-actions .btn{padding:8px 9px}.top-actions .hide-mobile{display:none}.usage-item{grid-template-columns:minmax(0,1fr) auto}.usage-num{display:none}.account-grid{grid-template-columns:1fr}.modal-head,.modal-body{padding-left:18px;padding-right:18px}.balance-value{font-size:31px}}
    @media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;animation:none!important;transition:none!important}}

  

/* v1.4.1 App Shell -------------------------------------------------------- */
body{overflow:hidden}.app-shell{height:100vh;display:flex;flex-direction:column}.topbar{flex:none}.shell-topbar{max-width:none;padding-left:24px;padding-right:24px}.brand-link{text-decoration:none}.mobile-menu-btn{display:none;border:1px solid var(--line);background:#fff;width:38px;height:38px;border-radius:10px;font-size:18px}.shell-body{min-height:0;flex:1;display:grid;grid-template-columns:240px minmax(0,1fr);gap:0}.shell-sidebar{position:relative;top:auto;height:100%;min-height:0;padding:18px 14px 22px 20px;border-right:1px solid var(--line);background:rgba(248,250,252,.72);overflow:auto}.grouped-nav{box-shadow:none;border:0;background:transparent;padding:0}.nav-group+.nav-group{margin-top:18px}.nav-label{padding:0 11px 6px;color:#98a2b3;font-size:10px;line-height:1.2;font-weight:800;letter-spacing:.09em}.grouped-nav a{display:flex;align-items:center;gap:9px;position:relative;margin:2px 0;padding:9px 11px}.grouped-nav a.active{background:#e9edf3}.grouped-nav a.active:before{content:"";position:absolute;left:-4px;top:9px;bottom:9px;width:2px;border-radius:2px;background:#111827}.nav-icon{width:18px;text-align:center;font-size:13px;color:#667085}.workspace{min-width:0;height:100%;overflow:auto;padding:26px 28px 42px;scroll-behavior:auto}.app-view{display:none;max-width:1180px;margin:0 auto;opacity:0;transform:translateY(4px)}.app-view.active{display:block;animation:viewIn .16s ease forwards}@keyframes viewIn{to{opacity:1;transform:none}}.app-view>.section:first-child,.app-view>.hero:first-child{margin-top:0}.sidebar-backdrop{display:none}.module-section{margin-top:0}.route-chat-section .section-head{margin-bottom:14px}.route-chat-section .tester-grid{grid-template-columns:310px minmax(0,1fr);align-items:stretch}.route-chat-section .playground-card{min-height:calc(100vh - 174px)}.route-chat-section .gpt-chat{height:calc(100vh - 345px);min-height:420px}.route-chat-section .settings-card{max-height:calc(100vh - 174px);overflow:auto}.model-center-card{padding:16px}.model-center-card .playground-pane{display:block}.model-center-card .models-pane{padding:0}.model-center-card .model-list{height:calc(100vh - 260px);min-height:480px}.model-category{border:1px solid #d0d5dd;border-radius:10px;background:#fff;padding:9px 10px;outline:none;color:var(--text)}.connection-card>.form-row{margin-top:0}.connection-card>.field{margin-top:12px}.step-list{margin:10px 0 16px;padding-left:22px;color:#475467}.step-list li+li{margin-top:8px}.static-artifacts{margin-top:18px;padding-top:16px;border-top:1px solid var(--line)}.static-artifact-head{display:flex;align-items:flex-end;justify-content:space-between;gap:12px;margin-bottom:10px}.static-artifact-head span{color:var(--muted);font-size:12px}.artifact-links{display:flex;flex-wrap:wrap;gap:8px}.version-panel{display:grid;grid-template-columns:max-content 1fr;gap:8px 14px;margin-top:18px;padding:14px;background:#f8fafc;border:1px solid var(--line);border-radius:12px}.version-panel span{color:var(--muted);font-size:12px;font-weight:700}.support-card{text-align:center}.support-icon{width:48px;height:48px;border-radius:16px;background:#fff7ed;color:#c2410c;display:grid;place-items:center;margin:0 auto 12px;font-size:22px;border:1px solid #fed7aa}.shell-route-hint{display:none}
@media(max-width:980px){body{overflow:auto}.app-shell{height:auto;min-height:100vh}.shell-body{display:block}.workspace{height:auto;overflow:visible;padding:18px 14px 36px}.shell-sidebar{position:fixed;left:0;top:67px;bottom:0;width:min(82vw,280px);z-index:50;transform:translateX(-105%);transition:transform .18s ease;background:#f8fafc;box-shadow:14px 0 34px rgba(16,24,40,.16);border-right:1px solid var(--line)}.shell-sidebar.open{transform:none}.sidebar-backdrop{position:fixed;inset:67px 0 0;z-index:45;background:rgba(17,24,39,.28);backdrop-filter:blur(2px)}.sidebar-backdrop.show{display:block}.mobile-menu-btn{display:grid;place-items:center}.shell-topbar{padding:12px 14px}.version{display:none}.route-chat-section .tester-grid{grid-template-columns:1fr}.route-chat-section .settings-card{max-height:none}.route-chat-section .playground-card{min-height:660px}.route-chat-section .gpt-chat{height:520px;min-height:420px}.model-center-card .model-list{height:560px;min-height:420px}.static-artifact-head{align-items:flex-start;flex-direction:column}.top-actions .hide-mobile{display:none}}
@media(max-width:640px){.brand small{display:none}.brand strong{font-size:14px}.top-actions{gap:5px}.top-actions .btn{padding:8px 9px}.workspace{padding:14px 10px 28px}.route-chat-section .gpt-chat{height:58vh}.model-toolbar{align-items:stretch;flex-wrap:wrap}.model-search{flex-basis:100%}.model-category{flex:1}.hero{padding:22px}.hero h1{font-size:28px}.shell-sidebar{top:63px}.sidebar-backdrop{inset:63px 0 0}}
@media(prefers-reduced-motion:reduce){.app-view.active{animation:none}.shell-sidebar{transition:none}}

/* v1.4.1 chat viewport fix ------------------------------------------------- */
@media (min-width:981px){
  .workspace{overflow:auto;overscroll-behavior:contain;scrollbar-gutter:stable;}
  body[data-route="chat"] .workspace{overflow:hidden;}
  .app-view[data-route="chat"]{height:100%;min-height:0;}
  .route-chat-section{height:100%;min-height:0;display:flex;flex-direction:column;}
  .route-chat-section .section-head{flex:none;}
  .route-chat-section .tester-grid{flex:1;min-height:0;align-items:stretch;}
  .route-chat-section .settings-card{height:100%;min-height:0;max-height:none;overflow:auto;}
  .route-chat-section .playground-card{height:100%;min-height:0;overflow:hidden;}
  .route-chat-section .playground-pane.active{flex:1;min-height:0;overflow:hidden;}
  .route-chat-section .gpt-chat{height:auto;min-height:0;flex:1;overflow:auto;}
  .route-chat-section .composer-wrap{flex:none;}
  .route-chat-section .debug-pane{display:flex;flex-direction:column;flex:1;min-height:0;}
  .route-chat-section .debug-console{height:auto;min-height:0;flex:1;overflow:auto;}
}

/* v1.4.2 model preset states ---------------------------------------------- */
.model-main{display:flex;flex-direction:column;gap:3px;min-width:0}.model-badge{font-size:10px;color:var(--muted);line-height:1.35}.model-row.selected .model-badge{color:var(--success)}

/* v1.5.0 Conversation manager + About layout --------------------------- */
.history-block{margin-top:0;border-top:0;padding-top:0}
.history-head{align-items:flex-start;margin-bottom:10px}
.history-head>div:first-child{min-width:0}
.history-caption{display:block;color:var(--muted);font-size:10px;margin-top:1px;font-weight:500}
.history-search-wrap{position:relative;margin-bottom:9px}
.history-search-icon{position:absolute;left:10px;top:50%;transform:translateY(-50%);color:#98a2b3;font-size:15px;pointer-events:none}
.history-search{width:100%;border:1px solid #d0d5dd;border-radius:10px;background:#fff;padding:9px 10px 9px 31px;outline:none;color:var(--text);font-size:12px}
.history-search:focus{border-color:#98a2b3;box-shadow:0 0 0 3px rgba(152,162,179,.13)}
.history-list{gap:3px;max-height:270px;padding-right:2px}
.history-group{margin-top:9px}
.history-group:first-child{margin-top:0}
.history-group-label{padding:2px 5px 4px;color:#98a2b3;font-size:9px;font-weight:800;letter-spacing:.08em;text-transform:uppercase}
.history-item{grid-template-columns:minmax(0,1fr) auto;padding:7px 7px 7px 9px;background:transparent;border-radius:10px;position:relative}
.history-item:hover{background:#f8fafc;border-color:#eaecf0}
.history-item.active{background:#eef2f6;border-color:#d0d5dd}
.history-item.pinned .history-title:before{content:'◆';font-size:7px;color:#667085;margin-right:5px;vertical-align:1px}
.history-open{cursor:pointer}
.history-title{font-size:12px}
.history-time{font-size:9px}
.history-menu{position:relative}
.history-menu>summary{list-style:none;width:28px;height:28px;border-radius:8px;display:grid;place-items:center;color:#98a2b3;font-weight:800;cursor:pointer;user-select:none}
.history-menu>summary::-webkit-details-marker{display:none}
.history-menu>summary:hover{background:#eef2f6;color:#344054}
.history-menu-popover{position:absolute;right:0;top:31px;z-index:12;width:138px;padding:5px;background:#fff;border:1px solid var(--line);border-radius:10px;box-shadow:0 12px 28px rgba(16,24,40,.13)}
.history-menu-popover button{width:100%;border:0;background:transparent;border-radius:7px;padding:7px 8px;text-align:left;color:#344054;font-size:11px;font-weight:650}
.history-menu-popover button:hover{background:#f2f4f7}
.history-menu-popover button.danger{color:var(--danger)}
.history-footer{display:flex;align-items:center;justify-content:flex-end;gap:5px;margin-top:8px;color:#98a2b3;font-size:10px}
.text-action{border:0;background:transparent;color:#667085;padding:2px 3px;font-size:10px;font-weight:700}
.text-action:hover{color:#111827}
.compact-modal{width:min(460px,100%)}




/* v1.6.2 route-first onboarding + scroll audit --------------------------- */
@media (min-width:981px){
  .app-view:not([data-route="chat"]).active{min-height:max-content;}
  .usage-records-card{display:flex;flex-direction:column;max-height:calc(100vh - 170px);min-height:0;}
  .usage-records-card .usage-controls,.usage-records-card .usage-pager{flex:none;}
  .usage-records-card .usage-list{flex:1;min-height:0;overflow:auto;overscroll-behavior:contain;padding-right:4px;scrollbar-gutter:stable;}
}
@media (max-width:980px){
  .usage-records-card{max-height:none;}
  .usage-records-card .usage-list{overflow:visible;}
}

/* v1.6.2 — flat navigation, onboarding and developer integration wizard */
.flat-nav{box-shadow:none;border:0;background:transparent;padding:0}
.flat-nav a{display:flex;align-items:center;gap:9px;position:relative;margin:3px 0;padding:10px 11px;background:transparent;border-radius:10px}
.flat-nav a:hover{background:#f0f3f7}
.flat-nav a.active{background:#e9edf3;color:var(--text)}
.flat-nav a.active:before{content:"";position:absolute;left:-4px;top:9px;bottom:9px;width:2px;border-radius:2px;background:#111827}

.onboarding-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;align-items:stretch}
.onboarding-card{position:relative;display:flex;gap:14px;min-height:260px;padding:22px}
.step-badge{flex:none;width:34px;height:34px;border-radius:11px;background:#111827;color:#fff;display:grid;place-items:center;font-weight:800}
.onboarding-copy{min-width:0;display:flex;flex-direction:column;align-items:flex-start}
.onboarding-copy.grow{flex:1}
.onboarding-copy h3{margin:3px 0 8px;font-size:18px}
.onboarding-copy p{margin:0 0 16px;color:var(--muted);line-height:1.65}
.onboarding-copy .field{width:100%;margin-top:auto}
.onboarding-actions{display:flex;gap:8px;align-items:center;flex-wrap:wrap;margin-top:auto}
.compact-actions{margin-top:14px}
.text-link{font-size:12px;font-weight:700;color:#475467;text-decoration:none;padding:6px 0}
.text-link:hover{text-decoration:underline;color:var(--text)}
.runtime-status{width:100%;margin:10px 0 14px;padding:12px 13px;border-radius:10px;background:#f8fafc;border:1px solid var(--line);font-size:12px;color:var(--muted);line-height:1.5}
.advanced-settings{margin-top:14px;padding:0;overflow:hidden}
.advanced-settings>summary,.advanced-docs>summary{cursor:pointer;list-style:none;display:flex;align-items:center;justify-content:space-between;gap:14px;padding:16px 18px;font-weight:800}
.advanced-settings>summary::-webkit-details-marker,.advanced-docs>summary::-webkit-details-marker{display:none}
.advanced-settings>summary:after,.advanced-docs>summary:after{content:"⌄";color:#667085;font-size:18px;transition:transform .15s ease}
.advanced-settings[open]>summary:after,.advanced-docs[open]>summary:after{transform:rotate(180deg)}
.advanced-settings summary small,.advanced-docs summary small{margin-left:auto;color:var(--muted);font-weight:500;font-size:12px}
.advanced-settings-body{padding:0 18px 18px;border-top:1px solid var(--line)}
.advanced-settings-body .form-row{padding-top:16px}
.advanced-settings-body .callout{margin-top:12px}

.developer-wizard{padding:0;overflow:hidden}
.wizard-step-block{display:grid;grid-template-columns:42px minmax(0,1fr);gap:14px;padding:22px 24px;border-bottom:1px solid var(--line)}
.wizard-number{width:32px;height:32px;border-radius:10px;background:#111827;color:#fff;display:grid;place-items:center;font-weight:800}
.wizard-content h3{margin:4px 0 14px;font-size:18px}
.choice-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}
.project-choices{grid-template-columns:repeat(4,minmax(0,1fr))}
.key-choices{grid-template-columns:repeat(2,minmax(0,1fr))}
.choice-card{position:relative;display:flex;flex-direction:column;gap:5px;min-height:92px;padding:14px 14px 13px;border:1px solid var(--line);border-radius:12px;background:#fff;cursor:pointer;transition:.15s ease}
.choice-card.compact{min-height:64px;justify-content:center}
.choice-card:hover{border-color:#b9c0ca;transform:translateY(-1px)}
.choice-card input{position:absolute;opacity:0;pointer-events:none}
.choice-card:has(input:checked){border-color:#111827;box-shadow:0 0 0 1px #111827;background:#f8fafc}
.choice-card strong{font-size:14px}
.choice-card span{font-size:12px;color:var(--muted);line-height:1.45}
.dev-result{padding:24px;background:#f8fafc}
.dev-result-head{display:flex;align-items:flex-start;justify-content:space-between;gap:14px}
.dev-result-head h3{font-size:22px;margin:5px 0 0}
.dev-plan-badge{display:inline-flex;align-items:center;border:1px solid #b7ebc6;background:#ecfdf3;color:#067647;border-radius:999px;padding:7px 10px;font-size:12px;font-weight:800}
.dev-summary-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;margin-top:18px}
.dev-summary-grid>div{padding:13px 14px;border-radius:11px;border:1px solid var(--line);background:#fff;min-width:0}
.dev-summary-grid span{display:block;color:var(--muted);font-size:11px;margin-bottom:5px}
.dev-summary-grid strong{display:block;overflow-wrap:anywhere;font-size:13px}
.dev-primary-action{margin-top:18px;padding:18px;border:1px solid #d0d5dd;border-radius:14px;background:#fff;display:flex;align-items:center;gap:16px}
.btn.large{padding:12px 17px;font-size:14px;white-space:nowrap}
.dev-primary-action p{margin:0;color:var(--muted);font-size:13px;line-height:1.55}
.dev-code-preview{margin-top:14px}
.dev-code-preview>summary{cursor:pointer;font-weight:800;color:#344054;padding:8px 0}
.dev-code-preview .code-card{margin-top:8px}
.dev-secondary-actions{display:flex;gap:8px;margin-top:12px}
.advanced-docs{border-top:1px solid var(--line);background:#fff}
.advanced-docs .artifact-links{padding:0 18px 18px}
.advanced-docs .callout{margin-left:18px;margin-right:18px;margin-bottom:18px}

@media(max-width:1050px){
  .onboarding-grid{grid-template-columns:1fr}
  .onboarding-card{min-height:0}
  .choice-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .project-choices{grid-template-columns:repeat(2,minmax(0,1fr))}
  .dev-summary-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media(max-width:640px){
  .wizard-step-block{grid-template-columns:1fr;padding:18px}
  .choice-grid,.project-choices,.key-choices,.dev-summary-grid{grid-template-columns:1fr}
  .dev-result{padding:18px}
  .dev-primary-action{align-items:stretch;flex-direction:column}
  .dev-primary-action .btn{width:100%}
  .onboarding-card{padding:18px}
  .advanced-settings>summary,.advanced-docs>summary{align-items:flex-start;flex-wrap:wrap}
  .advanced-settings summary small,.advanced-docs summary small{width:100%;margin-left:0}
}

/* v1.6.2: routes remain browsable before an API key is connected. */
.connection-gate{display:flex;align-items:center;justify-content:space-between;gap:18px;margin:0 0 14px;padding:14px 16px;border:1px solid #dbe2ea;border-radius:16px;background:#fff;box-shadow:0 8px 22px rgba(15,23,42,.04)}
.connection-gate strong{display:block;font-size:14px;color:#101828;margin-bottom:4px}.connection-gate p{margin:0;color:#667085;font-size:13px;line-height:1.6}
html[data-key-verified="1"] .connection-gate{display:none}
html:not([data-key-verified="1"]) #prompt,html:not([data-key-verified="1"]) #attachButton,html:not([data-key-verified="1"]) #sendTest,html:not([data-key-verified="1"]) #refreshAccount,html:not([data-key-verified="1"]) #loadUsage{opacity:.45;pointer-events:none}
@media(max-width:720px){.connection-gate{align-items:flex-start;flex-direction:column}.connection-gate .btn{width:100%;justify-content:center}}

/* v1.7.0: remembered-key consent + richer usage records */
.remember-key{display:flex;align-items:flex-start;gap:9px;margin-top:10px;padding:10px 11px;border:1px solid var(--line);border-radius:11px;background:#f8fafc;cursor:pointer}
.remember-key input{width:auto!important;margin-top:3px;accent-color:#111827}
.remember-key span{display:flex;flex-direction:column;gap:3px;min-width:0}
.remember-key strong{font-size:12px;color:#101828}
.remember-key small{font-size:10px;line-height:1.5;color:var(--muted)}
.danger-link{margin-top:7px;color:#b42318;background:none;border:0;padding:0;cursor:pointer;font:inherit;font-size:11px;text-decoration:underline;text-underline-offset:3px}
.balance-facts{display:grid;grid-template-columns:1fr;gap:7px;padding:10px 0 2px;border-top:1px solid var(--line)}
.balance-facts>div{display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:11px}
.balance-facts span{color:var(--muted)}
.balance-facts strong{font-weight:700;color:#344054;text-align:right;overflow-wrap:anywhere}
.usage-controls #usageSort{min-width:112px}
.usage-item-rich{display:block;padding:0;overflow:hidden}
.usage-item-head{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(160px,.75fr) minmax(95px,.42fr) auto;gap:14px;align-items:center;padding:12px 13px 8px}
.usage-time,.usage-cost-block{display:flex;flex-direction:column;gap:3px;min-width:0}
.usage-time span,.usage-cost-block span{font-size:9px;color:var(--muted);text-transform:uppercase;letter-spacing:.04em}
.usage-time strong,.usage-cost-block strong{font-size:11px;color:#101828;font-weight:750;white-space:nowrap}
.usage-cost-block{text-align:right}
.usage-facts{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:1px;border-top:1px solid var(--line);background:var(--line)}
.usage-fact{min-width:0;background:#fbfcfe;padding:8px 10px;display:flex;flex-direction:column;gap:3px}
.usage-fact span{font-size:9px;color:var(--muted)}
.usage-fact strong{font-size:10px;color:#344054;font-weight:700;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.usage-fact strong.mono{font-family:var(--mono);font-size:9px}
.usage-item-rich .usage-json{margin:0;padding:12px 13px;border-top:1px solid var(--line);background:#f8fafc}
.usage-detail-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px;margin-bottom:10px}
.usage-detail-grid:empty{display:none}
.usage-detail-grid .usage-fact{border:1px solid var(--line);border-radius:9px;background:#fff}
@media(max-width:980px){.usage-item-head{grid-template-columns:minmax(0,1fr) auto}.usage-time{grid-column:1/2}.usage-cost-block{grid-column:2/3;grid-row:1/2}.usage-facts{grid-template-columns:repeat(3,minmax(0,1fr))}.usage-detail-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:700px){.usage-item-head{grid-template-columns:1fr auto}.usage-time{grid-column:1/-1}.usage-facts{grid-template-columns:repeat(2,minmax(0,1fr))}.usage-detail-grid{grid-template-columns:1fr}.remember-key{padding:9px 10px}}


/* v1.8.0: stable usage-record rendering */
.usage-item-rich{display:block!important;min-height:88px;opacity:1!important;transform:none!important;animation:none!important;background:#fff;}
.usage-item-rich .usage-item-head{display:grid;min-height:54px;visibility:visible;opacity:1;}
.usage-item-rich .usage-main,.usage-item-rich .usage-time,.usage-item-rich .usage-cost-block,.usage-item-rich .usage-facts{visibility:visible;opacity:1;}
.usage-item-rich .usage-model{color:#101828;}
.usage-item-rich .usage-sub{min-height:14px;}
.usage-records-card .usage-list{align-content:start;}

/* v1.8.0: deterministic usage detail expansion */
.usage-json[hidden]{display:none!important}.usage-item-rich .usage-json:not([hidden]){display:block!important}.usage-json .console{white-space:pre-wrap;overflow-wrap:anywhere;max-height:320px;overflow:auto}.usage-detail-grid .usage-fact{min-height:54px}

/* v1.8.0: only render usage fields actually returned by 302.AI */
.usage-item-rich{overflow:visible!important;min-height:0!important;}
.usage-item-rich .usage-item-head{min-height:0!important;padding:12px 13px;}
.usage-item-rich .usage-facts{grid-template-columns:repeat(auto-fit,minmax(120px,1fr));}
.usage-item-rich .usage-fact{min-height:0!important;padding:9px 10px;}
.usage-item-rich .usage-fact strong{white-space:normal;overflow-wrap:anywhere;}
.usage-detail-note{margin:0 0 10px;padding:9px 10px;border:1px solid var(--line);border-radius:9px;background:#fff;color:var(--muted);font-size:11px;line-height:1.55;}
.usage-raw-details{margin-top:8px;}
.usage-raw-details>summary{cursor:pointer;font-size:11px;font-weight:700;color:#475467;margin-bottom:8px;}
.usage-raw-details .console{margin-top:8px;}
.balance-card{align-self:start;}
@media(max-width:980px){.usage-item-rich .usage-facts{grid-template-columns:repeat(auto-fit,minmax(110px,1fr));}}


/* v1.8.0: usage list rows keep natural height; only list viewport scrolls */
@media (min-width:981px){
  .usage-records-card .usage-list{
    display:grid;
    grid-template-columns:minmax(0,1fr);
    grid-auto-rows:max-content;
    align-content:start;
    gap:7px;
    overflow-y:auto;
    overflow-x:hidden;
  }
  .usage-records-card .usage-list > *{
    min-height:max-content;
    flex:none!important;
    flex-shrink:0!important;
  }
  .usage-records-card .usage-item-rich{
    height:auto!important;
    max-height:none!important;
    flex:none!important;
    flex-shrink:0!important;
  }
}

/* v1.8.0 · AI response Markdown rendering */
.msg:not(.user) .msg-content.markdown-body{white-space:normal;line-height:1.72;color:#1d2939;overflow-wrap:anywhere}
.markdown-body>*:first-child{margin-top:0}.markdown-body>*:last-child{margin-bottom:0}
.markdown-body p{margin:0 0 12px}.markdown-body h1,.markdown-body h2,.markdown-body h3,.markdown-body h4,.markdown-body h5,.markdown-body h6{color:#101828;line-height:1.35;margin:22px 0 10px;font-weight:800;letter-spacing:-.01em}.markdown-body h1{font-size:23px}.markdown-body h2{font-size:20px}.markdown-body h3{font-size:17px}.markdown-body h4{font-size:15px}.markdown-body h5,.markdown-body h6{font-size:14px}
.markdown-body ul,.markdown-body ol{margin:8px 0 14px;padding-left:24px}.markdown-body li{margin:5px 0;padding-left:2px}.markdown-body li>span{vertical-align:middle}.markdown-body strong{color:#101828;font-weight:750}.markdown-body del{color:#667085}.markdown-body hr{border:0;border-top:1px solid var(--line);margin:20px 0}.markdown-body blockquote{margin:12px 0;padding:10px 14px;border-left:3px solid #98a2b3;background:#f8fafc;border-radius:0 10px 10px 0;color:#475467}.markdown-body blockquote>*:last-child{margin-bottom:0}
.markdown-body :not(pre)>code{font-family:var(--mono);font-size:.92em;background:#f2f4f7;border:1px solid #eaecf0;padding:2px 5px;border-radius:6px;color:#344054}.markdown-body a{color:#175cd3;text-decoration:none;border-bottom:1px solid rgba(23,92,211,.25)}.markdown-body a:hover{border-bottom-color:currentColor}
.md-table-wrap{overflow:auto;margin:12px 0 16px;border:1px solid var(--line);border-radius:12px;background:#fff}.md-table-wrap table{min-width:520px;margin:0}.md-table-wrap th,.md-table-wrap td{padding:9px 11px;font-size:13px}.md-table-wrap th{background:#f8fafc;color:#344054;font-weight:750}
.md-task-list{list-style:none;padding-left:4px!important}.md-task-list li{display:flex;gap:8px;align-items:flex-start}.md-task{margin:4px 0 0;accent-color:#111827}
.md-code-block{margin:13px 0 16px;border:1px solid #29313d;border-radius:12px;overflow:hidden;background:#0f1720}.md-code-head{height:36px;display:flex;align-items:center;justify-content:space-between;gap:10px;padding:0 10px 0 13px;background:#18212d;color:#98a2b3;font:11px/1 var(--mono);letter-spacing:.02em}.md-code-head button{border:0;background:transparent;color:#d0d5dd;font:inherit;font-size:11px;font-weight:700;line-height:1.2;padding:6px 7px;border-radius:6px;cursor:pointer}.md-code-head button:hover{background:rgba(255,255,255,.08);color:#fff}.md-code-block pre[class*="language-"]{margin:0!important;border-radius:0!important;padding:14px 15px!important;max-height:520px;overflow:auto;font:12.5px/1.65 var(--mono)!important;tab-size:2;background:#0f1720!important}.md-code-block code[class*="language-"]{font-family:var(--mono)!important;text-shadow:none!important;white-space:pre!important}
.msg-actions{display:flex;align-items:center;gap:3px;margin-top:7px;min-height:28px}.msg-action{border:0;background:transparent;color:#667085;font-size:11px;font-weight:700;padding:5px 7px;border-radius:7px;cursor:pointer}.msg-action:hover{background:#f2f4f7;color:#344054}.msg.error .msg-actions{display:none}
.msg-content.is-raw-markdown{white-space:normal}.md-raw-source{margin:0;padding:12px 13px;background:#f8fafc;border:1px solid var(--line);border-radius:10px;overflow:auto;max-height:520px;white-space:pre-wrap;word-break:break-word;font:12px/1.65 var(--mono);color:#344054}
.markdown-body mjx-container[jax="SVG"]{max-width:100%;overflow-x:auto;overflow-y:hidden;padding:2px 0}.markdown-body mjx-container[display="true"]{margin:14px 0!important}.markdown-body mjx-container svg{max-width:none}
@media(max-width:700px){.markdown-body h1{font-size:20px}.markdown-body h2{font-size:18px}.md-table-wrap table{min-width:460px}.md-code-block pre[class*="language-"]{max-height:420px}.msg-actions{margin-top:5px}}


/* v1.9.1 — Workbench branding + guided integration validation */
.dev-summary-grid.expanded{grid-template-columns:repeat(4,minmax(0,1fr))}
.dev-action-row{display:flex;gap:10px;flex-wrap:wrap;margin-top:12px}
.dev-validation-card{margin-top:18px;padding:18px;border:1px solid var(--line);border-radius:14px;background:#fff}
.dev-validation-head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px}
.dev-validation-head h3{margin:4px 0 5px;font-size:18px}
.dev-validation-head p{margin:0;color:var(--muted);font-size:13px;line-height:1.6;max-width:760px}
.validation-badge{display:inline-flex;align-items:center;white-space:nowrap;border:1px solid #d0d5dd;background:#f8fafc;color:#475467;border-radius:999px;padding:7px 10px;font-size:12px;font-weight:800}
.validation-badge.pass{background:#ecfdf3;border-color:#abefc6;color:#067647}.validation-badge.warn{background:#fffaeb;border-color:#fedf89;color:#b54708}.validation-badge.fail{background:#fef3f2;border-color:#fecdca;color:#b42318}
.validation-results{display:grid;gap:8px;margin-top:14px}.validation-empty{padding:14px;border:1px dashed #d0d5dd;border-radius:11px;color:var(--muted);font-size:13px;text-align:center}
.validation-row{display:grid;grid-template-columns:28px minmax(0,1fr);gap:10px;align-items:start;padding:11px 12px;border:1px solid var(--line);border-radius:11px;background:#f8fafc}.validation-icon{width:24px;height:24px;border-radius:8px;display:grid;place-items:center;font-weight:900;background:#fff;border:1px solid #d0d5dd}.validation-row.pass .validation-icon{color:#067647;border-color:#abefc6;background:#ecfdf3}.validation-row.warn .validation-icon{color:#b54708;border-color:#fedf89;background:#fffaeb}.validation-row.fail .validation-icon{color:#b42318;border-color:#fecdca;background:#fef3f2}.validation-row strong{display:block;font-size:13px}.validation-row span:not(.validation-icon){display:block;color:var(--muted);font-size:12px;margin-top:2px;overflow-wrap:anywhere}
.dev-validation-actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px}
@media(max-width:900px){.dev-summary-grid.expanded{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:640px){.dev-summary-grid.expanded{grid-template-columns:1fr}.dev-validation-head{flex-direction:column}.dev-action-row .btn,.dev-validation-actions .btn{width:100%}.dev-validation-actions a.btn{display:flex;justify-content:center}}

/* v1.9.1 — single-package developer handoff */
.single-package-action{justify-content:space-between}
.single-package-action .btn{flex:0 0 auto}
.single-package-action p{max-width:760px}
.dev-validation-note{margin:10px 0 0;color:var(--muted);font-size:12px;line-height:1.55}
@media(max-width:760px){.single-package-action{align-items:stretch;flex-direction:column}.single-package-action .btn{width:100%}}